JASCO FT/IR-4100 ATRTutorial 1/4/2009bacher/General/30CL/FTIR/30CL_IR.pdf · Fourth, click “Auto...
Transcript of JASCO FT/IR-4100 ATRTutorial 1/4/2009bacher/General/30CL/FTIR/30CL_IR.pdf · Fourth, click “Auto...
![Page 1: JASCO FT/IR-4100 ATRTutorial 1/4/2009bacher/General/30CL/FTIR/30CL_IR.pdf · Fourth, click “Auto aseline” on the toolbar 13. lick “OK” in the window Original spectrum New](https://reader036.fdocuments.in/reader036/viewer/2022062507/5fd368e25df4ae37033e9ef6/html5/thumbnails/1.jpg)
JASCO FT/IR-4100 ATRTutorial1/4/2009
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To begin, make sure the ATR crystal is clean and press“Background measurement” on the IR toolbar.
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The background should look something like this
H OH2O
H OH2O
COCO2
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Sample PreparationLiquids Solids
• Place 1 – 2 drops on the crystal using a
Pasteur pipette or dropper making sure
that there are no bubbles on the crystal
• The clamp has not to be lowered here
• Open Hyperlink to see the movie
• Place solid next to the ATR crystal
• Move the solid onto crystal with
wooden stick
• Apply pressure by lowering the clamp
• Open Hyperlink to see the movie
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After sample preparation, press“Sample measurement” on the toolbar
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Enter the sample name and your name
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A new window will open with your raw spectrum. However, some corrections have to be made to improve the spectrum.
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First, click “ATR Correction” on the toolbar
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Click “OK” in the window
Raw spectrumRaw spectrum
Corrected spectrumCorrected spectrum
Note: peaks on the left side are now more intenseNote: peaks on the left side are now more intense
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Second, click “CO2 Reduction” on the toolbar
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Click “OK” in the window
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Third, click “H2O Reduction” on the toolbar
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Click the second row and “OK” in the window
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Fourth, click “Auto Baseline” on the toolbar
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Click “OK” in the window
Original spectrumOriginal spectrum
New spectrumNew spectrum
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Fifth, click “Peak Find” on the toolbar
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Drag the horizontal lines so your peaks are inside them and press “Apply”
Note: vertical lines can be used to mark specific peaksNote: vertical lines can be used to mark specific peaks
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The peak labels will appear in the left column. The noise level can also be adjusted.
When satisfied, click “OK.”
Upper limitUpper limit
Lower limitLower limit
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Finally, click “Print” to print your spectrum
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Sample Clean-upLiquids Solids
• Clean with alcohol wipe.
Do not use Kim Wipes or
paper towels!
• Open Hyperlink to see the
movie
• Release clamp by raising the pin
• Brush sample onto collecting paper
• Clean with alcohol wipe. Do not use
Kim Wipes or paper towels!
• Open Hyperlink to see the movie
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